CVE-2026-9753

HIGH
8.1CVSS v3
CVSS v2
0.30% EPSS (exploit probability)
CWE-1287CWE

Description

The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.

CVSS v3 vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Affected routers (0)

No routers currently mapped to this CVE in our database.

External references